Submission #1056282

#	Time	Username	Problem	Language	Result	Execution time	Memory
1056282		Minbaev	Secret (JOI14_secret)	C++17	0 / 100	260 ms	4704 KiB

secret

#include "secret.h"
#include <bits/stdc++.h>

using namespace std;

const int Y = 1e5;
const int inf = 3;

int t[Y], a[Y], n;

void build(int tl, int tr, int v){
	if(tl == tr){
		t[v] = a[tl];
		return;
	}
	int tm = (tl+tr)/2;
	
	build(tl,tm,v*2);
	build(tm+1,tr,v*2+1);
	t[v] = Secret(t[v*2], t[v*2+1]);
}
 
int get(int tl, int tr, int v, int l, int r){
	if(l <= tl && tr <= r){
		return t[v];
	}
	int tm = (tl+tr)/2;
	
	int val = -1;
	if(!(r < tm+1 || tr < l)){
		val = get(tm+1,tr,v*2+1,l,r);
	}
	int val2 = -1;
	if(!(r < tl || tm < l)){
		val2 = get(tl,tm,v*2,l,r);
	}
	
	if(val != -1 && val2 != -1){
		return Secret(val, val2);
	}
	else if(val != -1)return val;
	else if(val2 != -1)return val2;
}

void Init(int N, int A[]){
	n = N;
	for(int i = 1;i<=N;i++){
		a[i] = A[i-1];
	}
	build(1,n,1);
}

int Query(int L, int R){
	return get(1,n,1,L+1,R+1);
}

Compilation message (stderr)

secret.cpp: In function 'int get(int, int, int, int, int)':
secret.cpp:43:1: warning: control reaches end of non-void function [-Wreturn-type]
   43 | }
      | ^

• Subtask 1: 0 / 100